Design & Development
Sweenie Manufacturing offers design and development services for clothing of all kinds, specializing in swimwear and activewear.
Create something incredible
Creative Development
With over thirty years of industry experience, Sweenie Manufacturing is a top choice for manufacturing your line. We have particular talent in swimwear design and activewear design. We can also make garments of all types. We’re skilled in patternmaking and construction. We’ll help you create something practical, well-built, comfortable, and memorably stylish.
Let us handle the design end, freeing you up to focus on all-important sales and marketing objectives.
Among our offerings:
Custom Design Swimsuits: Bikini design, men’s trunks, unisex bathing suits, or anything else. We know how to craft the perfect pattern for handmade bathing suits, combining fit, function, and fabrication.
Activewear Design: Our activewear is engineered to move effortlessly with the body. And it’ll stand out on the retail floor. We can develop specialized fabrics with technical features such as being anti-microbial, water repellent, and quick-dry finished.
Ready-to-Wear Collections: From concept to stitch, we produce wovens, knits, and other specialty categories. This includes coverups, dresses, blouses, tops, shorts, skirts, pants, and more. Our range stretches from women to men to kids.
Knits & Wovens: From soft jersey basics to soft structured woven separates. Our technical expertise seamlessly blends comfort with refined tailoring. We’ll help you develop or keep a strong brand identity with versatility.
Pattern Making
It starts with an idea. We’ll bring your vision to life with a template for a stunning garment. This involves more than just meeting a spec guideline. We’ll guide you through the fit process to create a well-fitted and structured garment that is scalable and stunning.
Fit Optimization
We know how to make a garment look great for any body size. No matter your target audiences, we understand fit, comfort, and flexibility. We can achieve the ideal relationship between functionality and aesthetics. We’ll help you make a line that will keep your customers loyal for years to come.
Tech Pack Creation
Once we know what the basic item will look like, we get to work on the tech pack. This is the instruction manual for your design. We’ll source the materials, choose the colors, place any logos or graphics, and break down the costs. Our full service covers every aspect to ensure quality and consistency.
Size Grading
Once you’ve got your basic garment, we can help you scale it up and down. We know how to keep proportions while maintaining your beautiful design. Sweenie Manufacturing can produce a full size range, including extended sizing, that is consistent and true to your brand. It’s an art, and we’ve mastered it.
Design & Sample Development
Once the design is in place, we’ll get to work on samples. The experts in our pattern and sample room have many years of experience creating just the right look. Our team includes an in-house CAD artist, two skilled pattermakers, and a technical design expert.
We’ll take your custom design and handmake something special in a way that is replicable for larger production. You’ll be able to see exactly how the finished product will look as we refine the details. Sweenie’s team directly oversees and controls all product development and production. From start to finish, we ensure quality results.
At our sister factory in Bogotá, Colombia, established a decade ago, we have an amazing factory sample room. There are two experienced pattern makers and five dedicated sample sewers. We specialize in detailed handwork, with beaders and hand embroidery experts on staff. We offer in-house heat transfer capabilities for additional customization options.
We’ll ensure your line is exactly the way you want it before we begin manufacturing for consumer release.
Material Development & Sourcing
Sweenie Manufacturing has domestic and overseas fabric mills and trim partners. This allows us to offer a variety of base materials, including custom options. We can provide specialized fabrics for various purposes, including biodegradable and recycled options. This includes technical features for activewear, and special prints for swimwear. We also have partners that specialize in Pima cotton, French terry, fleece, as well as natural fibers such as hemp, organic cottons, and eco-blends.
In the swimwear category, we source performance fabrics like nylon spandex blends. We can provide chlorine-resistant and UV-protective materials. We also have Italian and luxury fabrics available. Our premium fabric provides durability, performance, and comfort.
We are dedicated to keeping up with the latest trends. Our team consistently does seasonal research. We attend tradeshows all over the world. We know what people want now, and what they’re going to want in the near future.
At Sweenie, it’s not just what we do, but how we do it. We are a New York-based team that conducts global sustainable sourcing. We have a trusted supply chain of ethical manufacturers and suppliers all over the world. We source eco-friendly materials. We ensure that what we produce is not exploitative. We’re putting good into the world.
Frequently Asked Questions
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Our years of experience, our ethically sourced supply chain, and our commitment to quality. We are at the top of our industry because we work with the best and oversee every detail of the process, end-to-end.
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Yes. We are dedicated to sustainable and ethical work. We back it up with complete oversight to guarantee compliance. We partner only with those who share our commitment and values. Our sister factory in Bogotá, Colombia provides above-average wages and benefits.
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We have a team of high-skilled experts with decades of experience. We have made a vast variety of different garments, including many specialized categories. We oversee and control all sample development and production to ensure consistent quality.
Develop Your Design
Sweenie Manufacturing is an industry leader for a reason. Let us design and develop your custom line to build or maintain a memorable brand.














